Categories

• Environmental Studies
• Economics,History
• Others,English
• Botany,Zoology
• Mathematics
• Chemistry
• Biology
• History,odiya
• Others,odiya
• Others,Chemistry

Authors

• Sharma,Nanda. Das ,Das,Sharma
• Das , M.,Kochhar, S.K.
• Gurnar
• Sherma
• Kincaid J.
• Jeeves
• B.K
• J.L.,hanson,J.L.,hanson
• Gupta, S.N,Sharma, barik and das
• Mishra G.C,Sarargi N